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Old Jul 25, 2005 | 04:55 PM
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From: Houston
Red face tranfercase question

89 bronco 351 C6 33x12.5 tires

for no apperent reason all of the sudden my bronco will not engage into 4x4 high on the fly. I can hear a slight gear to gear grinding sound and as I slow down and almost get to a stop then it will clunk into 4x4. What could this be? Anyone experiance this? Does a tranfer case have a sychronizer in it?

Thanks
 
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Old Jul 25, 2005 | 07:21 PM
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From: Hoboken, NJ...
Do you have push button or manual floor shifter to engage the 4X4?
 
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Old Jul 26, 2005 | 09:50 AM
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From: Houston
Sorry, I should have know that was important.... I have a manual shift on the floor.
 
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Old Jul 26, 2005 | 10:34 AM
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Sound like the transfer case fork is worn. Could be some other internal damage is there is a grinding noise.
 
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Old Jul 26, 2005 | 11:29 AM
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From: Houston
1975ford I have done a search on this problem and it seems that for everyone else it seem to cause their truck to become disabled. Like they cannot go forward until they go in reverse and adventualy they cant move any more.

Mine has no efect to my normal 2wd, will this change or will it only efect my 4x4?

and yes it sounds like a grinding noise going as fast as my tires spin. As I slow down the grinding noise gets slower and slower until just when I stop it will clunk into 4x4. If I stop and put it in 4x4H it goes right in no problem. The reason I know is because when I start driving I can here all the front shafts spining and when I push the shifter up out of 4x4 the spining shafts stop.

What do you think?
 
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Old Jul 26, 2005 | 12:17 PM
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It might be that the plastic clips at the end of the shifter fork in the transfer case is broken or worn out.
It could be the shifter is not moving far enough to engage the transfer case.
Does the truck have a body lift?
Are the tire size the same size?
 
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Old Jul 26, 2005 | 01:04 PM
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From: Houston
Originally Posted by 1975Ford
It might be that the plastic clips at the end of the shifter fork in the transfer case is broken or worn out.
It could be the shifter is not moving far enough to engage the transfer case.
Does the truck have a body lift?
Are the tire size the same size?
Yes! I have a 4" lift and the tires are 33X12.5 You say this plastic clips are in the transfer case. Is hard to check it out of fix?
 
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Old Jul 26, 2005 | 01:05 PM
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From: Houston
the tire size are the same I also have air lockers front and rear. dont know if that helps
 
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Old Jul 26, 2005 | 02:08 PM
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Is that a 4" body lift?
 
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Old Jul 26, 2005 | 02:48 PM
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From: Houston
Originally Posted by 1975Ford
Is that a 4" body lift?
No it is a Rancho 4" supension lift
 
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Old Jul 26, 2005 | 03:14 PM
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From your description, the problem seem to be isolated to the 1456 transfer case. I've torn into a few transfer cases and the model on your bronco is fairly easy to repair.
 
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Old Jul 26, 2005 | 03:20 PM
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From: Houston
Originally Posted by 1975Ford
From your description, the problem seem to be isolated to the 1456 transfer case. I've torn into a few transfer cases and the model on your bronco is fairly easy to repair.
That is good news, since I can still drive it, both in 2wd and 4wd, should I just keep driving it until it goes out? How much will a rebuild kit cost for it? Or would you suggest I pick one up at a junk yard and rebuild it and have it ready for when it does die?
 
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Old Jul 26, 2005 | 04:05 PM
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Removal illustrations, details, and part listings.

Check the tag on the transfer case for model number, it should be a Borg-Warner 1356 model. Sorry for the typo "1456".

Here is the details and illustrations of the 1356 t- case. http://www.wildercafe.com/fordtech/Thumbnails.asp
or http://www.fourwheeler.com/projectbuild/129_0406_red/
http://www.fourwheeler.com/projectbu...ed/index1.html

Here is the detailed drawings. http://www.drivetrain.com/bw1356transfercasesillust.htm





Refer to link for prices on parts.
http://www.drivetrain.com/transferca...-Warner%201356



Sites with useful information.
http://www.technicalevolution.com/borg1356.htm
here is another site for gasket, seals, bearing, and chains
http://nationaldrivetrain.com/shopsi...tcaseseal.html
http://broncograveyard.com/bronco/c-...nsfer_case.htm
 
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Old Jul 26, 2005 | 04:07 PM
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From: Baton Rouge
$92 at Jeff's Bronco Graveyard
http://broncograveyard.com/bronco/i-..._seal_kit_.htm
I am currently having somewhat of the same problem as you except my transfer case gets stuck in 4x4 occasionally. I plan to pull it and attempt a rebuild shortly on mine.
 
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Old Jul 26, 2005 | 04:09 PM
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Does this grinding noise come from the transfer case or from the front hubs?
 
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